The motor is a 2008ish 9.9 high thrust.
At the end of last season, it ran, but would not idle smoothly, and needed fiddling. After properly storing for the winter, it would not start. After spraying some carb cleaner in the air intake, it would spark, but not start. Fuel made all the way to the carb, so I removed the carb.
Found grunch in here, cleaned it out. Also passed a wire through the main jet, and sprayed with cleaner. There was what I believe is a second jet, but too small to clean. Sprayed with cleaner.
The motor now starts, and runs reasonably smoothly, but, is hard to start. there is no choke, and AFAIK
, it is supposed to start in neutral, no throttle, using just the key. It does not. After a bit of messing, it will start at half throttle, and need to warm up before going down to idle.
There are three adjustments, 2 I think I understand, 1 that I don't:
2: throttle linkage. affects when the throttle responds. Should not be used to adjust idle.
3: no idea. It has an adjusment, and when I had the carb off, it appeared to move a small, gasketed cylinder in the bottom of the float bowl.
What does number three do?
Any chance ther is any problem with the vacuum lnes? The boat has no choke, and as I understand it, the vacuum lines play a role in starting, idling, etc, as a choke would.
last but not least- No air filter. can this be right?
I appreciate anybody's thoughts or experiences with this.
This board has always been a big help on matters like this.